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.(No Model() 'I. I'. MORRIN &"J.- HARLIN.

- GAGE 000K. No. 560,520. l Patented May 19', 1896.

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@fw/@fw v I I ATTORNEY UNITED STATES PATENT OFFICE.

THOMAS F. MORRIN, OF JERSEY CITY, NElV JERSEY, AND JOHN HARLIN, OF NEW YORK, N. Y.

GAG E-COCK.

SPECIFICATION forming part of Letters Patent N o. 560,520, dated Mayv 19, 1896. Application filed September 21, 1895. Serial No. 563,195, (No model.)

To aZZ whom t may concern: flange 14X, which takesy over and rests on the Be it known that we, THOMAS F. MORRIN, outer end of said casing and is clamped fast residing at Jersey City, Hudson county, New between the casing and the end cap 1X. In Jersey, and JOHN I-IARLIN, residing in the the outer end of the cap 1X is a recess which 55 city, county, and State of New York, citizens contains a spring 15, embracing the spindle of the United States, have invented certain 13,5 and on this spindle is a collar 16, which new and useful Improvements in Gage-Cocks, bears on 'the spring 15 and lits into the recess of which the following is a specification. in the cap. Thus the reaction of the spring Our invention relates to devices for asceron the collar draws the valve 13b into its seat, 6o 1o taining the level of the water in boilers, and and the rotation of the spindle, by rotating known as gage-cocks, and the Objectis to the valve in its seat, maintains asteam-tight prevent the steam or hot water from escaping joint between the valve and seat. By rotaabout the stem and operating-spindle of the tion of the spindle 13, through the medium valve and scalding the hand of the operator. of the hand-wheel thereon, the main valve 65 The invention will be fully described hereand its stem are rotated, and the screw on ina-fter, and its novel features carefully desaid stem causes said valve to advance toward lined in the claims. or recede from its seat, its movement being de- In the accompanying drawings, which illuspendent,of course,on the direction of rotation. trate an embodiment of the invention, Figure 1 In order to assemble the parts, the collar 16 7o 2o lois a longitudinal axial section of the gageis made to slip on the outer end of the spindle cock. Fig. 2 is a transverse section in the 13, after which the hand-wheel13a is slipped plane indicated by line :t2 'm2 in Fig. 1. Fig. on a squared portion of the outer end of the 3 is a perspective view of the seat of the spindle and secured by a nut 13. spindle-valve detached. Fig. 4 illustrates a We do not wish to limit ourselves strictly to 7 5 slight modiiication. the construction herein shown, as it may be 1 is the casing of the main valve, which is varied to some extent without departing inaadapted to screw into the boiler X at 2, and terially from our invention. For example, which contains a valve-chamber 3. In the .the square socket 12 and square 13 are in chamber 3 is formed a valve-seat 5 at the themselves known devices, and they may be 8o A 3o' terminus of a steam-passage 6, leading from substituted by any of the known devices, such the boiler to said chamber, and 7 is the steamas a spline and groove, for accomplishing the outlet nipple from said chamber. object sought. The flange 14X on the seat 14 S is the main valve, adapted to fit into the is merely a device to enable the seat to be seat 5 and provided with a screw-threaded secured in place, and other known means 8 5 stem 9. The screw on this stem fits a female may be used to eieot this object. Fig. L illusscrew 1l in the bore of the casing 1, and in tratesthese modifications. In this View the the stem 9 is formed a square socket 12 to resocket in the stem 9 is cylindrical and has in ceive a square 13 on an operating-spindle it a longitudinal groove to receive a spline 13c 13, rotatively mounted in an end cap lX on on the stem 13, and the seat 14 lits in acounter- 9o 4o the casing 1 and provided with a suitable bore in the end of the casing 1 and rests on the hand-wheel 13% The important object is to shoulder formed at the bottom of the same. prevent the escape of steamV or hot water It will be noted that We form the female about the spindle 13, and this we accomplish screw to receive the screw on the valve-stem by the means which will now be described. in the body of the casing and not in the cap. 95 On the spindle 13 is formed a conical valve This enables the cap and the parts connected 13, which closes outwardly in a conical seat with it to be removed, if the valve 8 be iirst 14. This seat (seen detached in Fig. 3) will closed, while there is steam-pressure in the be made,by preference,from someantifriction boiler. A This is often desirable in order to inmetal, as Babbitt metal, used for antifricspect the parts. roo 5o tion-bearings. It is adapted to lit snugly into Having thus described our invention, we

the outer end of the casing 1, and has a -/claim/ 1. In a gagecock, the combination with the elongated casin g having in it a longitudinallyextending passage for steam and water from the boiler, a valve-chamber into which this passage opens, a valve-seat at the inner end of said passage, and a lateral outlet from the valve-chamber, of a valve in the chamber and adapted to occupy said seat, said valve having a screw-threaded stem arranged in the axis of the casing and screwing into the latter, an operating-spindle 13, rotatively mounted in t-he axis of the cap of the casing, the inner end of which is connected with and adapted to rotate the valve-stein, a detachable valve-seat 14, mounted in the outer end of the casing, a valve 13 on the said spindle and occupying the scat 14, a collar on said spindle exterior to the cap of the casing, and a spring between said collar and cap adapted to draw the valve 13 up to its seat, substantially as set forth.

2. A gage-cock comprising a casing with a valve-chamber having an inlet for steam or water from the boiler, an outlet for such steam or water, a valve to control said inlet and opening outwardly, said valve having a screwthreaded stein 9,provided with a square socket 12, a cap 1X, adapted to screw onto the casin g, a flanged, conical valve-seat, 11, clamped between the cap and the outer end of the casin g, a spindle 13, rotatively mounted in said cap and having a square 13X, which engages thc socket in the valve-stem and a spindle-valve 13b, fitting into the seat 14, a collar 1G, on said spindle, and a spring, 15, in a spring-recess in the cap, said sprin g bein g adapted, by outward pressure on the collar 1G, to draw thc spindle-valve snugly into its seat, substantially as set forth.

In a gage-cock, the combination with the elongated casing having in it a passage for steam and water from the boiler,a valve-chainber into which this passage opens, a valve-seat at the inner end of said passage, a lateral out4 let from said chamber, and a female screw in said casing to receive the screw-threaded stem of the valve, of the valve S, in said chamber, said valve having a screwthreadcd stem provided with a socket, a cap which screws onto the outer end of the casing, an operating-spindle rotatively mounted in said cap and axially alined with the valve S, said spindle having its inner end dctachably connected with the stem of the valve S, a valve 13b on said spindie, and occupying a detachable seat 14:, and the said seat, clamped and held between the casing and its cap, substantially as set forth.

1n witness whereof We have hcreun to signed our naines in the presence of two subscribing witnesses.

THOMAS F. MORRIN. JOHN llARLlN. lVitnesses:

HENRY OONNETT, PETER A. Ross. 

